Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: HEDTDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request RMK-0027 Routine Maintenance kit, tube based systems, no co Price on request C-VAC-FULL-ARR-KI Vacuum SPME Arrow Full Starter Kit Price on request